Metrohm 730 Sample Changer - Manuel (Page 100)

4.4 Changer Commands
730 Sample Changer, Detailed Description 97
The DOS command is used to control Dosimats and Dosinos. Up
to 12 Dosinos or Dosimats can be addressed via the External Bus
control.
In addition to adding a certain volume, specific actions can be in-
itiated.
filling Filling the Dosimat or Dosino burette.
release Prepare Dosimat or Dosino for changing the exchange
unit. Burette is filled via the rinsing port. The stop cock is
turned to the exchange position.
prepar. Preparation cycle for Dosinos. All tubing is rinsed and
filled completely.
empty Empty burette and all tubings of the Dosino via dosing
port.
eject Empty burette of the Dosino via dosing port.
adjust Compensating the play between the piston and the
spindle before sucking in and filling the cylinder re-
spectively.
level Compensating the play between the piston and the
spindle before dosing.
In the Parameter Menu under '>dosing unit def.' the port as-
signments for Dosinos can be defined as well as method-specific
dosing and filling speeds. This can also be done within a se-
quence with the corresponding 'DEF' command.
More information about Dosino commands and port assignments
is found on page 109ff.
The sample changer recognizes automatically whether a Dosimat
or a Dosino is connected.
SCAN
1
SCAN >sample sequence
7 SCN:Rm : ready1
RM ready1
ready2
ready*
end1
end2
endmeter
8 bit (1,0 or ∗ )
Scanning the remote inter-
face
= device 1 ready
= device 2 ready
= device 1+2 ready
= EOD pulse of device 1
= EOD pulse of device 2
= End pulse of ion meter / pH meter
any 8-bit pattern
In a sequence the SCN:Rm command causes method processing
to stop until the predefined bit pattern is received.
Predefined bit patterns are supported which can be selected by
short names (for example: "ready1" or "end2").